package com.whc.myblog.web.admin;

import com.whc.myblog.pojo.Blog;
import com.whc.myblog.pojo.User;
import com.whc.myblog.service.interfaces.BlogService;
import com.whc.myblog.service.interfaces.TagService;
import com.whc.myblog.service.interfaces.TypeService;
import com.whc.myblog.vo.BlogQuery;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/admin")
public class BlogController {

    @Autowired
    private BlogService blogService;

    @Autowired
    private TypeService typeService;

    @Autowired
    private TagService tagService;

    @GetMapping("/blogs")
    public String blogs(@PageableDefault(size = 10,sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
                        BlogQuery blog, Model model){
        model.addAttribute("types", typeService.listType());
        model.addAttribute("page", blogService.listBlog(pageable, blog));
        return "admin/blogs";
    }

    @PostMapping("/blogs/search")
    public String search(@PageableDefault(size = 10,sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
                         BlogQuery blog, Model model){
        System.out.println(pageable);
        model.addAttribute("page", blogService.listBlog(pageable, blog));
        return "admin/blogs :: blogList";
    }

    @GetMapping("/blog-input")
    public String input(Model model){
        model.addAttribute("types", typeService.listType());
        model.addAttribute("tags", tagService.listTag());
        model.addAttribute("blog", new Blog());
        return "admin/blog-input";
    }

    //保存
    @PostMapping("/blogs")
    public String post(Blog blog, RedirectAttributes attributes, HttpSession session){
        blog.setUser((User) session.getAttribute("user"));
        blog.setType(typeService.getType(blog.getType().getId()));
        blog.setTags(tagService.listTag(blog.getTagIds()));
        Blog b = blogService.saveBlog(blog);

        if(blog.getId()==null){
            b = blogService.saveBlog(blog);
        }else {
            b = blogService.updateBlog(blog.getId(), blog);
        }

        if(b == null){
            attributes.addFlashAttribute("message", "操作失败！");
        }else {
            attributes.addFlashAttribute("message", "操作成功！");
        }
        return "redirect:/admin/blogs";
    }

    //修改博客
//    //@GetMapping("/{id}/edit")
//    public String editInput(@PathVariable Long id, Model model){
//        model.addAttribute("types", typeService.listType());
//        model.addAttribute("tags", tagService.listTag());
//        Blog blog = blogService.getBlog(id);
//        blog.init();
//        model.addAttribute("blog", blog);
//        return "admin/blog-edit";
//    }


    @GetMapping("/blog/{id}/delete")
    public String delete(@PathVariable Long id, RedirectAttributes attributes){
        blogService.deleteBlog(id);
        attributes.addFlashAttribute("message","删除成功！");
        return "redirect:/admin/blogs";
    }
}
